Respuesta :

Answer:

z = 5

Step-by-step explanation:

1.1z+5.5=2.2z

Subtract 1.1z from each side

1.1z-1.1z+5.5=2.2z-1.1z

5.5 = 1.1z

Divide each side by 1.1

5.5/1.1 = 1.1z/1.1

5 = z